FZ(R)N16-12D/630 series indoor AC high-voltage vacuum Load Switch and load switch-fuse combination electric appliance (hereinafter referred to as series vacuum load switch) are successfully developed by our company, and the performance meets GB 3804-2004 "3.6 kV ~ 40.5 kV high-voltage AC load switch" and GB16926-2009 "High-voltage AC load switch-" The utility model has the advantages of small volume, reliable on-off safety, long service life, frequent operation, large on-off transfer current and short-circuit current, obvious isolation fracture, manual and electric dual-purpose function, remote control and smart grid requirements. This product adopts Z-Li electrical equipment multiple safety protection panel components, miniaturized high-voltage vacuum load switch, and miniaturized high-voltage vacuum load switch fuse combination electrical appliance Z-Li, which is self-developed and obtained many national inventions. The operation is simple and reliable.